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The settlement occupants left an abundant and continuous record of seeds, legumes and other foods...By studying these archaeological layers, Professor Kennett and colleagues were able to discern the types of plants that were being collected in the warmer, humid days before the climate changed and in the cooler, drier days after the onset of what we know now as the Younger Dryas cool period.Before the impact, the inhabitants' prehistoric diet involved wild legumes and wild-type grains, and small but significant amounts of wild fruits and berries.In the layers corresponding to the time after cooling, fruits and berries disappeared and their...

Based on sites excavated in the western United States, archaeologists know Paleo-American Clovis hunter-gatherers who lived around the time of the extinctions at least occasionally [emphasis added] killed or scavenged Ice Age megafauna such as mammoths. There they've found preserved bones of megafauna together with the stone tools used for killing and butchering these animals...Unfortunately, many areas in the Southeastern United States lack sites with preserved bone and associated stone tools that might indicate whether megafauna were hunted there by Clovis or other Paleo-American cultures. Without evidence of preserved bones of megafauna, archaeologists have to find other ways to examine...

Around 13,000 years ago, the Earth burned. A swarm of comet debris from the Taurid meteor stream had blasted the Americas and parts of Europe; the worst day in prehistory since the end of the ice age. Many species of large animal were exterminated by the conflagration and ensuing cataclysms. And those that survived the initial onslaught could do little against the floods, acid rain, and starvation that followed.

Archeologists have uncovered evidence of pre-farming people living in the Burren more than 6,000 years ago -- one of the oldest habitations ever unearthed in Ireland. Radiocarbon dating of a shellfish midden on Fanore Beach in north Clare have revealed it to be at least 6,000 years old -- hundreds of years older than the nearby Poulnabrone dolmen. The midden -- a cooking area where nomad hunter-gatherers boiled or roasted shellfish -- contained Stone Age implements, including two axes and a number of smaller stone tools... The midden was discovered by local woman Elaine O'Malley in 2009 and a major...